/* Shenyue Kobelco Parts — industrial B2B design system */
:root {
  --navy-900: #0A2440;
  --navy-700: #0C2D4D;
  --navy-500: #1B4568;
  --navy-100: #E3EBF3;
  --orange-600: #D87608;
  --orange-500: #E8820C;
  --orange-100: #FBEEDC;
  --ink: #1A2332;
  --ink-soft: #4A5568;
  --bg: #F7F8FA;
  --card: #FFFFFF;
  --line: #E2E7EE;
  --radius: 10px;
  --wrap: 1160px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Barlow', sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  text-wrap: pretty;
}
h1, h2, h3, .display {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: 0.01em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); text-transform: uppercase; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); text-transform: uppercase; }
h3 { font-size: 1.35rem; }
a { color: var(--navy-500); text-decoration: none; }
a:hover { color: var(--orange-600); }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ===== top bar + nav ===== */
.topbar {
  background: var(--navy-900);
  color: #B9C7D6;
  font-size: 0.85rem;
}
.topbar .wrap {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 7px; padding-bottom: 7px; gap: 16px; flex-wrap: wrap;
}
.topbar a { color: #DDE7F0; }
header.site {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
}
nav.main {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap;
}
.logo { display: flex; flex-direction: column; line-height: 1.05; }
.logo b {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.7rem; text-transform: uppercase;
  color: var(--navy-900); letter-spacing: 0.02em; font-weight: 700;
}
.logo b span { color: var(--orange-600); }
.logo small { font-size: 0.72rem; color: var(--ink-soft); letter-spacing: 0.14em; text-transform: uppercase; }
nav .links { display: flex; gap: 6px; flex-wrap: wrap; }
nav .links a {
  padding: 9px 14px; font-weight: 500; font-size: 0.98rem;
  border-radius: 6px; color: var(--ink);
}
nav .links a:hover, nav .links a.active { background: var(--navy-100); color: var(--navy-700); }
.btn {
  display: inline-block; padding: 13px 26px; border-radius: 8px;
  font-weight: 600; font-size: 1rem; transition: transform .15s ease, background .15s ease;
  border: 0; cursor: pointer;
}
.btn-orange { background: var(--orange-500); color: #fff; }
.btn-orange:hover { background: var(--orange-600); color: #fff; transform: translateY(-1px); }
.btn-ghost { border: 2px solid rgba(255,255,255,.55); color: #fff; }
.btn-ghost:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,.08); }
.btn-navy { background: var(--navy-700); color: #fff; }
.btn-navy:hover { background: var(--navy-500); color: #fff; }

/* ===== hero ===== */
.hero {
  background: var(--navy-700) url('../img/hero-texture.svg') center/cover no-repeat;
  color: #fff; padding: 84px 0 92px;
}
.hero .kicker {
  color: var(--orange-500); font-weight: 600; letter-spacing: 0.18em;
  text-transform: uppercase; font-size: 0.9rem; margin-bottom: 14px;
}
.hero h1 { max-width: 760px; }
.hero p.lead { max-width: 640px; font-size: 1.15rem; color: #C9D6E2; margin: 18px 0 30px; }
.hero .cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 44px; margin-top: 52px; flex-wrap: wrap; }
.hero-stats b {
  font-family: 'Barlow Condensed', sans-serif; font-size: 2.6rem;
  display: block; color: var(--orange-500); line-height: 1;
}
.hero-stats span { color: #B9C7D6; font-size: 0.95rem; }

/* ===== sections ===== */
section { padding: 72px 0; }
section.alt { background: var(--card); }
.sec-head { max-width: 720px; margin-bottom: 40px; }
.sec-head .kicker {
  color: var(--orange-600); font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; font-size: 0.85rem;
}
.sec-head p { color: var(--ink-soft); margin-top: 10px; font-size: 1.05rem; }
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }

.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px;
  transition: box-shadow .18s ease, transform .18s ease;
}
.card:hover { box-shadow: 0 10px 26px rgba(10,36,64,.10); transform: translateY(-2px); }
.card h3 { margin-bottom: 8px; color: var(--navy-700); }
.card p { color: var(--ink-soft); font-size: 0.98rem; }
.card .tag {
  display: inline-block; background: var(--orange-100); color: var(--orange-600);
  font-size: 0.78rem; font-weight: 600; padding: 3px 10px; border-radius: 20px;
  margin-bottom: 12px; letter-spacing: 0.04em; text-transform: uppercase;
}
a.card { display: block; color: inherit; }
a.card:hover h3 { color: var(--orange-600); }
.card .more { color: var(--orange-600); font-weight: 600; font-size: 0.92rem; margin-top: 14px; display: inline-block; }

/* model / part list rows */
.cat-list { list-style: none; margin-top: 14px; }
.cat-list li {
  padding: 9px 0 9px 26px; border-bottom: 1px dashed var(--line);
  color: var(--ink-soft); position: relative; font-size: 0.97rem;
}
.cat-list li::before {
  content: ""; position: absolute; left: 4px; top: 16px;
  width: 9px; height: 9px; background: var(--orange-500); border-radius: 2px;
}

/* photo placeholder */
.ph {
  background: repeating-linear-gradient(45deg, #EDF1F5, #EDF1F5 12px, #F6F8FA 12px, #F6F8FA 24px);
  border: 1.5px dashed #B8C4D0; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: #7C8B9B; font-size: 0.9rem; text-align: center; padding: 18px;
  min-height: 180px;
}
.ph.tall { min-height: 300px; }
.ph-note { font-size: 0.8rem; color: #93A2B1; margin-top: 8px; }

/* trust strip */
.strip { background: var(--navy-900); color: #fff; padding: 44px 0; }
.strip .wrap { display: flex; gap: 40px; justify-content: space-between; flex-wrap: wrap; }
.strip b { font-family: 'Barlow Condensed', sans-serif; font-size: 2.2rem; color: var(--orange-500); display: block; line-height: 1.1; }
.strip span { color: #AFC0D0; font-size: 0.95rem; }

/* CTA band */
.cta-band { background: var(--orange-500); color: #fff; padding: 58px 0; }
.cta-band .wrap { display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #FDEBD3; max-width: 560px; }
.cta-band .btn { background: var(--navy-900); color: #fff; }
.cta-band .btn:hover { background: var(--navy-500); }

/* ===== footer ===== */
footer.site { background: var(--navy-900); color: #93A5B8; padding: 56px 0 30px; font-size: 0.94rem; }
footer.site h4 {
  color: #fff; font-family: 'Barlow Condensed', sans-serif; text-transform: uppercase;
  font-size: 1.05rem; letter-spacing: 0.08em; margin-bottom: 14px;
}
footer.site a { color: #C4D2DF; }
footer.site a:hover { color: var(--orange-500); }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px; }
.foot-links { list-style: none; }
.foot-links li { margin-bottom: 9px; }
.foot-bottom {
  border-top: 1px solid #1B3A57; margin-top: 40px; padding-top: 20px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 0.84rem; color: #6E8299;
}
.disclaimer { font-size: 0.8rem; color: #6E8299; max-width: 640px; margin-top: 14px; line-height: 1.55; }

/* ===== search page ===== */
.search-box {
  display: flex; gap: 12px; max-width: 640px; margin: 0 auto 14px;
}
.search-box input {
  flex: 1; padding: 15px 18px; font-size: 1.05rem; border: 2px solid var(--line);
  border-radius: 8px; font-family: inherit; outline: none;
}
.search-box input:focus { border-color: var(--orange-500); }
table.pn { width: 100%; border-collapse: collapse; background: var(--card); border-radius: var(--radius); overflow: hidden; }
table.pn th {
  background: var(--navy-700); color: #fff; text-align: left; padding: 12px 16px;
  font-family: 'Barlow Condensed', sans-serif; font-size: 1.02rem; letter-spacing: 0.05em;
  text-transform: uppercase;
}
table.pn td { padding: 12px 16px; border-bottom: 1px solid var(--line); color: var(--ink-soft); font-size: 0.96rem; }
table.pn tr:hover td { background: var(--orange-100); color: var(--ink); }
.badge { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 0.78rem; font-weight: 600; }
.badge.ok { background: #E5F3E8; color: #1F7A33; }
.badge.ask { background: var(--orange-100); color: var(--orange-600); }

/* article */
article.post { max-width: 780px; margin: 0 auto; }
article.post p { margin: 16px 0; color: #333F4E; }
article.post h2 { margin: 34px 0 12px; }
article.post h3 { margin: 26px 0 10px; color: var(--navy-700); }
article.post ul, article.post ol { margin: 14px 0 14px 26px; color: #333F4E; }
article.post li { margin-bottom: 7px; }
.meta { color: #8296A9; font-size: 0.9rem; margin-bottom: 26px; }
.note-box {
  background: var(--orange-100); border-left: 4px solid var(--orange-500);
  padding: 16px 20px; border-radius: 8px; margin: 20px 0; color: #6B4A12;
}

/* contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 40px; }
.contact-info h3 { margin-bottom: 6px; }
.contact-info .row { margin-bottom: 22px; }
.contact-info .row b { display: block; color: var(--navy-700); text-transform: uppercase; font-size: 0.82rem; letter-spacing: 0.1em; }
form.inquiry input, form.inquiry textarea, form.inquiry select {
  width: 100%; padding: 13px 15px; margin-bottom: 14px; border: 2px solid var(--line);
  border-radius: 8px; font-family: inherit; font-size: 1rem; outline: none; background: #fff;
}
form.inquiry input:focus, form.inquiry textarea:focus, form.inquiry select:focus { border-color: var(--orange-500); }

/* breadcrumbs + page hero */
.crumbs { font-size: 0.88rem; color: #8296A9; margin-bottom: 18px; }
.crumbs a { color: #8296A9; }
.page-hero { background: var(--navy-700); color: #fff; padding: 52px 0 46px; }
.page-hero .kicker { color: var(--orange-500); font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; font-size: 0.85rem; margin-bottom: 10px; }
.page-hero p { color: #C9D6E2; max-width: 680px; margin-top: 12px; font-size: 1.06rem; }

@media (max-width: 900px) {
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero { padding: 60px 0; }
  .hero-stats { gap: 26px; }
}
@media (max-width: 560px) {
  .foot-grid { grid-template-columns: 1fr; }
  .search-box { flex-direction: column; }
  nav .links a { padding: 8px 10px; font-size: 0.9rem; }
}

/* ===== v2 additions: chips, model groups, cn tags ===== */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  display: inline-block; padding: 9px 18px; border-radius: 24px;
  background: var(--card); border: 1.5px solid var(--line);
  font-weight: 600; font-size: 0.95rem; color: var(--navy-700);
  font-family: 'Barlow Condensed', sans-serif; letter-spacing: 0.03em;
  transition: all .15s ease;
}
.chip:hover { border-color: var(--orange-500); color: var(--orange-600); background: var(--orange-100); transform: translateY(-1px); }
span.chip { cursor: default; }
span.chip:hover { border-color: var(--line); color: var(--navy-700); background: var(--card); transform: none; }
.model-group { margin-bottom: 26px; }
.mg-head h3 {
  font-size: 1.3rem; color: var(--navy-700); margin-bottom: 12px;
  display: flex; align-items: baseline; gap: 12px;
}
.mg-head h3 span { font-size: 0.95rem; color: var(--ink-soft); font-family: 'Barlow', sans-serif; font-weight: 400; }
.cn-tag { color: var(--orange-600); font-size: 0.85rem; margin: -4px 0 8px; font-weight: 500; }

/* ===== v3 additions: real product cards ===== */
.prod-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 18px;
  margin: 22px 0;
}
.prod-card {
  background: var(--card); border: 1.5px solid var(--line); border-radius: 14px;
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .15s ease, box-shadow .15s ease;
}
.prod-card:hover { transform: translateY(-3px); box-shadow: 0 10px 26px rgba(11,42,72,.12); border-color: var(--orange-500); }
.prod-img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; background: #F4F7FA;
}
.prod-info { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.prod-info h4 { font-size: 1rem; color: var(--navy-700); line-height: 1.3; }
.prod-sku {
  font-family: 'Barlow Condensed', sans-serif; font-size: .92rem; letter-spacing: .04em;
  color: var(--orange-600); font-weight: 600; word-break: break-all;
}
.prod-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: .8rem; }
.stock { padding: 3px 10px; border-radius: 12px; font-weight: 600; }
.stock.ok { background: #E7F6EC; color: #059669; }
.stock.ask { background: #FFF3E0; color: #B45309; }
.cat-ref { color: #8296A9; }
.btn-sm { padding: 8px 14px; font-size: .85rem; text-align: center; }
.badge.ask { background: #FFF3E0; color: #B45309; }

/* btn-outline - added 2026-09-17 (used by 23 pages, previously undefined) */
.btn-outline { border: 2px solid var(--navy-500); color: var(--navy-700); background: transparent; }
.btn-outline:hover { background: var(--navy-700); border-color: var(--navy-700); color: #fff; }

/* ================= photo catalog product detail (2026-09) ================= */
.pd-wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 44px; align-items: start; margin: 10px 0 40px; }
.pd-gallery { position: sticky; top: 90px; }
.pd-gallery > img, .pd-ph { width: 100%; aspect-ratio: 1/1; object-fit: cover; border-radius: 14px; border: 1px solid var(--line); background: #F4F7FA; }
.pd-ph { display: flex; align-items: center; justify-content: center; color: #8296A9; min-height: 320px; }
.pd-thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.pd-thumbs img { width: 76px; height: 76px; object-fit: cover; border-radius: 9px; border: 2px solid transparent; cursor: pointer; opacity: .78; }
.pd-thumbs img.on, .pd-thumbs img:hover { border-color: var(--orange-500); opacity: 1; }
.pd-info .kicker { margin-bottom: 8px; }
.pd-info h1 { font-family: 'Barlow Condensed', sans-serif; font-size: clamp(1.6rem, 2.6vw, 2.3rem); line-height: 1.15; margin: 0 0 14px; }
.pd-pn { font-size: 1.05rem; color: var(--ink); margin: 0 0 6px; }
.pd-pn b { color: var(--navy-900); letter-spacing: .4px; }
.pd-alt { font-size: .9rem; color: #8296A9; margin: 0 0 6px; }
.pd-models { margin: 10px 0 16px; color: var(--ink-soft); font-size: .95rem; }
.pd-models .tag { margin-right: 8px; }
.pd-desc p { margin: 0 0 12px; color: var(--ink-soft); line-height: 1.65; }
.pd-points { list-style: none; padding: 14px 0 0; margin: 0 0 20px; border-top: 1px dashed var(--line); }
.pd-points li { padding: 5px 0 5px 26px; position: relative; color: var(--ink-soft); font-size: .95rem; }
.pd-points li::before { content: "✓"; position: absolute; left: 2px; color: var(--orange-600); font-weight: 700; }
.pd-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.prod-card.link { display: block; color: inherit; text-decoration: none; transition: transform .15s ease, box-shadow .15s ease; }
.prod-card.link:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(10,36,64,.10); }
@media (max-width: 860px) { .pd-wrap { grid-template-columns: 1fr; } .pd-gallery { position: static; } }


/* ---- social profiles (added 2026-09-27) ---- */
.social-row{display:flex;align-items:center;gap:10px;margin-top:16px;flex-wrap:wrap}
.social-row .s-label{font-size:12px;letter-spacing:.08em;text-transform:uppercase;opacity:.7;margin-right:2px}
.social-row a{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:8px;background:rgba(255,255,255,.08);transition:background .18s,transform .18s}
.social-row a:hover{background:#f28c28;transform:translateY(-2px)}
.social-row a svg{fill:#fff}
.contact-socials a{color:#12356b;font-weight:600;margin-right:10px}
.contact-socials a:hover{color:#f28c28}
/* brand logos & real photo blocks (2026-10-02) */
.brand-logo { height: 96px; display: flex; align-items: center; justify-content: center; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; margin-bottom: 16px; }
.brand-logo img { max-height: 72px; max-width: 82%; object-fit: contain; }
.ph-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; margin-top: 18px; }
.ph-grid figure { margin: 0; }
.ph-grid img { width: 100%; height: 300px; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--line); display: block; }
.ph-grid figcaption { font-size: 0.82rem; color: #93A2B1; margin-top: 8px; text-align: center; }
.ph-single { margin: 18px 0 0; }
.ph-single img { width: 100%; max-width: 640px; height: auto; border-radius: var(--radius); border: 1px solid var(--line); display: block; }
.ph-single figcaption { font-size: 0.82rem; color: #93A2B1; margin-top: 8px; }
/* article header photo — auto-attached to newly published blog posts (2026-10-02) */
.post-figure { margin: 0 0 26px; }
.post-figure img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--line); background: #EFF2F6; display: block; }
.post-figure figcaption { font-size: 0.82rem; color: #93A2B1; margin-top: 8px; line-height: 1.55; }

/* article-end video block — auto-attached to newly published blog posts (2026-10-05) */
.post-video { margin: 30px 0 4px; padding: 22px 24px; border: 1px solid var(--line); border-left: 4px solid var(--orange-500); border-radius: var(--radius); background: #FBFCFD; }
.post-video-label { display: inline-block; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--orange-600); }
.post-video h3 { margin: 8px 0; font-size: 1.05rem; color: var(--ink); }
.post-video p { margin: 0 0 14px; font-size: 0.9rem; line-height: 1.65; color: var(--ink-soft); }
.post-video-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.post-video .btn-sm { padding: 10px 18px; font-size: 0.92rem; }
.post-video-link { font-weight: 600; font-size: 0.92rem; color: var(--navy-700); }


/* ===== Video library page (added 2026-10-05) ===== */
.vlib { display: grid; grid-template-columns: repeat(auto-fill, minmax(238px, 1fr)); gap: 18px; }
.vlib-card { display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: box-shadow .25s ease, transform .25s ease; }
.vlib-card:hover { box-shadow: 0 10px 26px rgba(10,36,64,.10); transform: translateY(-2px); }
.vlib-thumb { position: relative; display: block; aspect-ratio: 9 / 16; overflow: hidden; background: var(--navy-900); cursor: pointer; }
.vlib-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transform: scale(1.001); }
.vlib-card:hover .vlib-thumb img { transform: scale(1.04); transition: transform .4s ease; }
.vlib-play { position: absolute; top: 50%; left: 50%; width: 52px; height: 52px; margin: -26px 0 0 -26px; border-radius: 50%; background: rgba(232,130,12,.94); box-shadow: 0 6px 20px rgba(0,0,0,.28); pointer-events: none; }
.vlib-play::after { content: ""; position: absolute; top: 17px; left: 21px; width: 0; height: 0; border-style: solid; border-width: 9px 0 9px 15px; border-color: transparent transparent transparent #fff; }
.vlib-src { position: absolute; left: 10px; bottom: 10px; padding: 3px 8px; border-radius: 4px; background: rgba(10,36,64,.84); color: #fff; font-size: .66rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.vlib-thumb.is-playing .vlib-play { display: none; }
.vlib-frame { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.vlib-body { display: flex; flex-direction: column; flex: 1; gap: 8px; padding: 15px 16px 17px; }
.vlib-tag { font-size: .68rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--orange-600); }
.vlib-body h3 { margin: 0; font-size: .97rem; line-height: 1.35; color: var(--navy-700); }
.vlib-body p { flex: 1; margin: 0; font-size: .85rem; line-height: 1.62; color: var(--ink-soft); }
.vlib-body .btn { align-self: flex-start; margin-top: 2px; }
.vlib-note { max-width: 880px; margin: 24px auto 0; text-align: center; font-size: .92rem; line-height: 1.7; color: var(--ink-soft); }
@media (max-width: 640px) { .vlib { grid-template-columns: repeat(auto-fill, minmax(158px, 1fr)); gap: 12px; } }
.post-video-more { margin: 12px 0 0; font-size: 0.86rem; line-height: 1.6; color: var(--ink-soft); }


/* ===== Header nav: keep 9 items on one line on smaller desktops (added 2026-10-06) ===== */
@media (min-width: 561px) {
  .links { gap: 4px; }
  .links a { padding: 8px 10px; font-size: 0.92rem; }
}
/* Video library: model-group headings + jump nav (added 2026-10-06) */
.vlib-nav { display: flex; flex-wrap: wrap; gap: 6px 14px; margin: 14px 0 26px; font-size: .88rem; line-height: 1.7; }
.vlib-nav a { color: var(--navy-700); border-bottom: 1px solid var(--line); padding-bottom: 1px; }
.vlib-nav a:hover { color: var(--orange-600); border-color: var(--orange-600); }
.vlib-group { margin: 34px 0 14px; padding-bottom: 8px; border-bottom: 2px solid var(--line); font-size: 1.12rem; color: var(--navy-700); }
.vlib-group span { font-size: .8rem; font-weight: 500; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-soft); }
.vlib-card .vlib-body .btn { margin-top: auto; }
/* Long video library: skip layout+paint for cards outside the viewport (added 2026-10-06) */
@supports (content-visibility: auto) {
  .vlib > .vlib-card { content-visibility: auto; contain-intrinsic-size: auto 620px; }
}


/* --- video SEO/GEO layer --- */
.vlib-desc{margin:8px 0 0;font-size:.86rem;line-height:1.55;color:#5b6470;text-align:left}
.vlib-part{margin:6px 0 0;font-size:.8rem;color:#5b6470;text-align:left}
.vlib-part b{color:#e85d1f;font-weight:600;letter-spacing:.02em}
.tech-nav{margin:0 0 22px;font-size:.86rem;line-height:2;color:#5b6470}
.tech-nav a{color:#e85d1f;text-decoration:none;border-bottom:1px solid transparent}
.tech-nav a:hover{border-bottom-color:currentColor}
.tech-block{margin:0 0 34px;padding:0 0 6px}
.tech-block h3{font-size:1.16rem;margin:0 0 10px;text-align:left}
.tech-lead{font-size:.98rem;line-height:1.7;color:#1d2430;margin:0 0 12px;font-weight:500}
.tech-block p{font-size:.92rem;line-height:1.75;margin:0 0 12px}
.tech-sub{font-size:.9rem;letter-spacing:.02em;text-transform:uppercase;color:#5b6470;margin:18px 0 8px}
.tech-table-wrap{overflow-x:auto;margin:0 0 12px}
.tech-table{width:100%;border-collapse:collapse;font-size:.88rem}
.tech-table th,.tech-table td{border:1px solid rgba(0,0,0,.10);padding:8px 10px;text-align:left;vertical-align:top;line-height:1.5}
.tech-table thead th{background:rgba(0,0,0,.04);font-weight:600}
.tech-table tbody th{width:38%;font-weight:500}
.tech-pn,.tech-code{white-space:nowrap;font-weight:600;letter-spacing:.01em}
.tech-note{font-size:.84rem;color:#5b6470;line-height:1.6}
.tech-q{margin:0 0 14px}
.tech-q h4{font-size:.95rem;margin:0 0 4px;text-align:left}
.tech-q p{font-size:.9rem;line-height:1.7;margin:0}
@supports (content-visibility: auto){
  .tech-block{content-visibility:auto;contain-intrinsic-size:auto 700px}
}